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Medical Xpress / Drug resistance in pancreatic cancer: Scientists pinpoint major and minor signaling pathways that drive it

Cancer drug resistance is the devastating reason that treatments fail and cancers metastasize, spreading to distant sites seeding new resistant tumors elsewhere in the body.

Dec 9, 2025 in Oncology & Cancer
Phys.org / Wintertime spike in oceanic iron levels detected near Hawaii

Around the world, phytoplankton in the upper ocean help to cycle key nutrients and regulate Earth's climate by absorbing carbon dioxide. These photosynthesizing organisms rely on dissolved iron as an essential micronutrient, ...

Dec 11, 2025 in Earth
Tech Xplore / Tumbleweed aerodynamics inspire hybrid robots for harsh terrains

A new study published in Nature Communications details a hybrid robot that combines the wind-driven mobility of tumbleweeds with active quadcopter control, offering a new paradigm for energy-efficient terrestrial exploration.

Dec 10, 2025 in Robotics
Tech Xplore / Squashing 'fantastic bugs' hidden in AI benchmarks

After reviewing thousands of benchmarks used in AI development, a Stanford team found that 5% could have serious flaws with far-reaching ramifications.

Dec 11, 2025 in Computer Sciences
Medical Xpress / Brain stimulation during sleep boosts weak memories in mice

Manipulating mouse brains during sleep improved their ability to remember new experiences that would normally be forgotten—a finding with important implications for treating Alzheimer's disease and other forms of dementia ...

Dec 11, 2025 in Neuroscience
Phys.org / Twisting spins: Researchers explore chemical boundaries to create new magnetic material

Florida State University researchers have created a new crystalline material with unusual magnetic patterns that could be used for breakthroughs in data storage and quantum technologies.

Dec 11, 2025 in Chemistry
Phys.org / Shape-shifting cell channel reveals new target for precision drugs

From small ions to large molecules, cellular gates control what can pass in and out of cells. But how one such gate, called pannexin-1 (PANX1), can handle vastly different cargo sizes has remained a long-standing mystery.

Dec 11, 2025 in Biology
Tech Xplore / Tantalum oxide addition slows lithium-ion battery capacity loss by nearly half

Skoltech researchers have developed a new method to improve the cathode, a key battery component. They proposed doping the cathode material with high-valent tantalum and discovered that adding 0.5 mole % of tantalum oxide ...

Dec 11, 2025 in Engineering
Phys.org / Ancient Roman officers may have kept pet monkeys to highlight their status

There were many ways in which the elites of ancient Roman society flaunted their wealth. They built vast villas, sponsored extravagant games and imported luxury goods. And military top brass, at least those stationed at an ...

Dec 10, 2025 in Other Sciences
Phys.org / Migratory birds' stunning precision in flight revealed by new data loggers

Red-backed shrikes fly thousands of kilometers to reach Africa—and they do so with astonishing precision. Aided by new technology, researchers at Lund University in Sweden have been able to track the birds' journeys in ...

Dec 11, 2025 in Biology
Medical Xpress / Mini-gut model reveals how Ebola and Marburg disrupt the gastrointestinal tract

Ebola (EBOV) and Marburg virus (MARV) are highly lethal viruses that cause severe disease in infected patients by extensively damaging the body. This includes the gastrointestinal tract. Severe diarrhea followed by dehydration ...

Dec 11, 2025 in Gastroenterology
Phys.org / Scientists teach helices to switch shapes

Researchers at the University of Jyväskylä have discovered a simple way to program synthetic molecules so they can form specific spiral-like structures by embedding instructions directly into their sequence. This breakthrough ...

Dec 11, 2025 in Biology